<!DOCTYPE html>
<title>Service Worker: File System API is not exposed (and doesn't crash)</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.js"></script>
<script>
promise_test(function(t) {
    var scope = 'resources/blank.html'
    return service_worker_unregister_and_register(
      t, 'resources/no-filesystem.js', scope)
      .then(function(registration) {
          return wait_for_state(t, registration.installing, 'activated');
      })
      .then(function() {
          return service_worker_unregister_and_done(t, scope);
      });
  });
</script>
